Answer:
I bring light to a dark world. In a current I travel and through tunnels I am hurled. Touch me and I'll kill you. What am I?
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
I fill a room but take no space.
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
What force and strength cannot get through, I with my unique teeth can do. What am I?
It's what light turns into in the night
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic